live wire

英 [lɪv ˈwaɪə(r)]

美 [lɪv ˈwaɪər]

n. 精力充沛之人; 生龙活虎之人

柯林斯词典

精力充沛之人；生龙活虎之人
If you describe someone as alive wire, you mean that they are lively and energetic.

noun

Danger! Electricity!; Danger! Live wire!
小心触电！
Cut back the cover of the neutral and live wire about one Inch
将带电和不带电的电线头上的包皮割去约一英寸
Tommy's a real live wire, so we had difficulty in keeping him quiet when we took him to a concert.
汤姆实在是太好动了，所以我们带他去听音乐会时要让他安静下来是很难的。
She got shocked when she touched the live wire.
她在触到通电的电线时受到电击。
The lineman was severely burned by the live wire.
电线架设工人被通电的电线严重烧伤。
She's a live wire.
她既活泼而又精力充沛。
That is a live wire.
那是一根带电的电线。
However, people can live in many different norms Jiezhuang see crosscutting temporary wiring casually provide connectivity and some have Luzhe copper wire;
但是，人们可以在许多很不规范的家装现场看到，纵横交错的临时电线胡乱搭接，有的还露着铜丝；
By god, he's a live wire.
天啊，他可是个碰不得的人。
Two live wire contacting points on the sliding plate are in flat form, which reduces resistance force when the bulb is screwed, and the bulb is uneasy to be damaged.
滑动板上的两个火线触点为平面形的，使拧装灯泡时阻力小不易损坏；